<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>显示分类树</title>
</head>
<body>
    <form action="/category/showtree/" method="get">
        <label>分类名</label>
        <input type="text" name="name">
        <input type="submit" value="查找">
    </form>
    <p>
        {{tree}}
    </p>
</body>

</html>